001package ca.uhn.fhir.rest.server.util;
002
003/*-
004 * #%L
005 * HAPI FHIR - Server Framework
006 * %%
007 * Copyright (C) 2014 - 2022 Smile CDR, Inc.
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import ca.uhn.fhir.rest.api.server.RequestDetails;
024import ca.uhn.fhir.rest.server.IRestfulServerDefaults;
025import ca.uhn.fhir.rest.server.RestfulServer;
026import ca.uhn.fhir.rest.server.RestfulServerConfiguration;
027import org.apache.commons.lang3.Validate;
028
029import javax.annotation.Nullable;
030
031public class BaseServerCapabilityStatementProvider {
032
033  private RestfulServerConfiguration myConfiguration;
034
035  protected BaseServerCapabilityStatementProvider() {
036    super();
037  }
038
039  protected BaseServerCapabilityStatementProvider(RestfulServerConfiguration theServerConfiguration) {
040    myConfiguration = theServerConfiguration;
041  }
042
043
044  protected RestfulServerConfiguration getServerConfiguration(@Nullable RequestDetails theRequestDetails) {
045    RestfulServerConfiguration retVal;
046    if (theRequestDetails != null && theRequestDetails.getServer() instanceof RestfulServer) {
047      retVal = ((RestfulServer) theRequestDetails.getServer()).createConfiguration();
048      Validate.isTrue(myConfiguration == null);
049    } else {
050      retVal = myConfiguration;
051      Validate.notNull(retVal);
052    }
053    return retVal;
054  }
055
056}